#!/usr/bin/env python3
# coding=utf-8

import sys
import os

class UncoverJar:
    def __init__(self, sharedJarDir, msJarDir):
        self._baseDir=sharedJarDir
        self._targetDir=msJarDir
    def diff(self):
        baseJars = set(os.listdir(self._baseDir))
        targetJars = os.listdir(self._targetDir)
        return [x for x in targetJars if x not in baseJars]